<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		p{
			color: red;
			color: #223E77;
			color: #fff;
			color: #000;
			color: #ccc;
			color: rgb(0,0,0);
			color: rgba(0,0,0,0.5);
		}
	</style>
</head>
<body>
	<p>学并思</p>
</body>
</html>